Terminator 3: Rise of the Machines (2003)

After Skynet fails to kill Sarah Connor before her son is born and to kill John himself as a child, it sends back another Terminator, the T-X, in an attempt to wipe out as many Resistance officers as possible. This includes John's future wife, but not John himself as his whereabouts are unknown to Skynet. John's life is placed in danger when the T-X accidentally finds him.